BGS mineralogy and petrology collection record

Sample number S17242
Sample Donor Clough, C.T.
Rock name 'Original entry: Augite Andesite (Exactly Like S. 17183)'
Stratigraphy Not entered
Comments Probably a lava, non-variolitic, Non-porphyritic Central type, exactly like S. 17183, cf. S. 16492; Memoir, p. 149
Locality details 1100 ft NNW of Cruach Choireadail
50k map sheet Mull (44)

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Map reference NM 5942 3088
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S17242

Cross Polarized, S17242

Plane Polarized, S17242

Plane Polarized, S17242